Aim&eacute;e Wilder Sumo Wallpaper - Sumo Wallpaper by Aimee Wilder. You know even before seeing the print that if Aimee Wilder did it, it&#039;s a hit. And the Sumo wallpaper is no exception. Adding a playful vibe to a bedroom or even funky living room, this design lighten things up and add unusual detail.